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Distinct arching clumps of evergreen foliage tinted orange, yellow and red in autumn through to spring. Hazy pink trailing flowerheads. A very highly recommended plant. Sun or particularly good in dry shade. Height 60cm-90cm. Evergreen
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Well known and popular quaking grass forming tight mounds of foliage and many delicate, quaking flowerheads that bob in the wind. Short lived perennial. Sun or light shade. Height 50cm-70cm. Semi-evergreen. Native
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Calamgrostis Brachytricha forms low mounds of soft green foliage with stunning feathery plumes of greyish pink flowers held high above the foliage in late summer. Sunny open position. Always does well at Knoll. Height 90cm-1.2m. Deciduous
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Calamagrostis Karl Foerster forms mounds of green foliage with many spectacular strongly vertical flower stems bleaching to beautiful straw colour late in the season. Very architectural and superb for informal screening. Sunny open spot. Height 1.6m -1.8m. Deciduous
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Calamagrostis Overdam - Highly impressive mounds of green & white striped leaves setting off the pinkish feathery plumes of flower. Sunny open spot. Height 1.4m-1.5m. Deciduous
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A rather new form probably a little shorter than the well known C.Karl Foerster forming dark green mounds of foliage topped by very upright flowers that are especially effective en masse. Sunny open spot. Height 1.5m-1.7m Deciduous
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Carex evergold is an eye-catching sedge with light gold, creamy white and green foliage spiralling out from centre of the plant. Most soils, sun or part shade. Height 20cm-40cm. Evergreen
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Carex Ice Dance has green leaves edged with narrow creamy white margins making gradually spreading mounds. Ideal for ground cover in sun or part shade. Height 25cm-30cm. Evergreen.
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Carex Testacea form striking loose clumps of attractive orange-green foliage changing subtly throughout the seasons.Excellent evergreen for garden use. Sun or light shade. Normal to damp soil. Height 40cm-60cm. Evergreen
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Spangle grass so called because of the diamond shaped flattened spikes of flower on broad foliage colouring in autumn. Dries well. Sun or part shade. Height 80cm-1m. Deciduous
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Tufted Hair Grass. Forms neat mounds of dark green foliage completely obscured from summer onwards by billowing masses of cloud like flowers. Soil not too dry. Sunny or light shade. Height 90cm-1.2m. Deciduous. Native
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A form of our native tufted hair grass with dark green foliage and selected for its flowering stems at the shorter range of the species. Soil not too dry Sun,part shade. Height 80cm-90cm. Deciduous
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A form of native tufted hair grass selected at Knoll Gardens for its large mounds of healthy green foliage and tall flower stems. Sun or light shade. Soil not too dry. Height 1m - 1.2m. Deciduous. Native
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First class form of D.cespitosa with robust, dark green clumps of foliage supporting comparatively tall sturdy flowers. An excellent selection made in Scotland. Soil not too dry. Sun or light shade. Height to 1m - 1.2m. Deciduous
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Superb silver-blue comparatively wide foliage forming slowly spreading clumps and is amongst the most blue of the blue grasses. Sunny open position. Height 40cm-50cm. Deciduous
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A wonderful selection of E.curvula with mature leaves turning a stunning deep burgundy red from the tips down. Remove insignificant flowers for best foliage effect. Excels in taller containers. Sunny open spot. Height 70cm-90cm. Deciduous
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Uncommonly seen green original of the popular variegated forms. Beautiful bright green foliage forming gradually spreading mounds with masses of tiny flowers late summer. Nice autumn colour and greatly under used. Part shade or sun. Height 40cm-60cm. Deciduous
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Recent selection with, as its name suggests, bright yellow gold leaves without any trace of green. Slowly spreading mounds are happiest in some shade. Part shade ideal. Height 30cm-45cm. Deciduous
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Magnificent grass with attractive gold variegated ribbon like foliage forming simply divine mounds. Excellent cover in shade and stunning in a large pot. Brighter yellow in sun more lime yellow in part shade. Height 30cm-45cm. Deciduous
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Grown for its highly ornamental salmon-pink barley like flowers. Short lived perennial which can re seed itself in the garden. Excellent as cut flowers. Sunny open spot. Height 50cm-70cm. Deciduous. Naturalised
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Snowy wood rush. Slowly increasing tufts of hairy wide green leaves and dense clusters of arching white flowers. Very attractive en masse. Good groundcover for sun or part shade. Height 50cm-60cm. Evergreen
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Miscanthus Ferner Osten is a superb ornamental grass selection forming mounds of narrow foliage turning bright copper and red in autumn. Spectacular very dark red flower plumes. Sunny open spot. Height 1.6m-1.8m. Deciduous
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A real favourite with many strikingly elegant slightly pendant dark pinkish flower plumes in late summer. Good autumn colour. Sunny open spot. Height 1.7m-2m. Deciduous
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Unfortunate name (!!) But possibly descriptive as this is one of several shorter cultivars having pink flowers arising from mounds of narrow foliage. Sunny open spot. Height 1.2m-1.5m. Deciduous
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Miscanthus Gracillimus is an old established cultivar grown principally for its fine textured foliage forming gracefully rounded mounds bleaching to pale straw colour for a winter feature. Sunny spot . Height 1.8m-2.1m . Deciduous
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Elegant needle like green foliage forming distinct compact rounded mounds with masses of beautiful silky red silver flowers from late summer onwards. Sunny open spot. Height 1.5m-1.8m. Deciduous
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Perfectly named, for its upright stems and gracefully arching fine textured cream and green foliage give this form an unequalled lightness. Topped with perfectly matched pinkish flowers in good years. Refined and elegant in pots or by waters edge. Sunny open spot. Height 1.5m-1.8m. Deciduous
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Extremely unusual and very beautiful having delicate looking airy flower plumes held high above mounds of green foliage from mid-summer onwards. Looks fantastic in our gravel garden even in winter. Needs a sheltered spot. Sunny well drained. Height 1.2m-1.5m. Deciduous
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Wide dark green pendulous foliage with white central vein on tall, upright, vigorous clumps. Occasional pink flowers during long summers. Good for foliage effect or screening. Sunny open spot. Height 2.5m-3m. Deciduous
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Selected at Knoll Gardens this beautiful tall purple moor grass has light airy panicles of flower held clear above basal mounds of green foliage on gracefully arching stems. Sunny open spot. Height 1.8m - 2.1m. Deciduous
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